CN216199100U - High-temperature smoke exhaust fan - Google Patents
High-temperature smoke exhaust fan Download PDFInfo
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- CN216199100U CN216199100U CN202122376008.6U CN202122376008U CN216199100U CN 216199100 U CN216199100 U CN 216199100U CN 202122376008 U CN202122376008 U CN 202122376008U CN 216199100 U CN216199100 U CN 216199100U
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- smoke exhaust
- exhaust fan
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- temperature smoke
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Abstract
The utility model discloses a high-temperature smoke exhaust fan, belongs to the technical field of high-temperature smoke exhaust fans, and solves the problem that the existing high-temperature smoke exhaust fan cannot operate for a long time at high temperature. The utility model comprises an air duct with an air inlet and an air outlet, an impeller arranged in the air duct and positioned at one end of the air inlet, a rotating shaft arranged at one side of the air outlet and connected with the impeller, a motor connected with the rotating shaft, and a fixing piece for fixing the motor on the air duct, wherein the air duct comprises a first air duct, a second air duct and a third air duct which are sequentially arranged from the air inlet to the air outlet; the first air duct and the third air duct are provided with connecting pieces, the connecting pieces are arranged on the outer surfaces of the first air duct and the third air duct at equal intervals, and the high ends of the connecting pieces are arranged at the two ends of the air ducts; the second air duct is made of a heat dissipation material. The utility model is used for ventilation or smoke exhaust.
Description
Technical Field
A high-temperature smoke exhaust fan is used for ventilation or smoke exhaust and belongs to the technical field of high-temperature smoke exhaust fans.
Background
The high-temperature smoke exhaust fan is suitable for ventilation or high-temperature smoke exhaust of high-rise buildings, underground buildings, tunnels, drying rooms and the like. The existing high-temperature smoke exhaust fan can continuously operate for more than 30 minutes at the high temperature of 280 ℃, can continuously operate for 20 hours/time without damage at the medium temperature of 100 ℃, and has the characteristics of excellent performance, good high-temperature resistance, high efficiency, less occupied area than a centrifugal fan, convenience in installation and the like.
Under the condition of common ventilation, the existing high-temperature smoke exhaust fan can completely meet the daily required requirements, but under the condition of a fire, the temperature of smoke in the center of the fire can reach 600-.
Although the temperature of the motor is reduced by arranging the motor outside the prior art, so that the service life of the motor is long, for example, the fire-fighting high-temperature smoke exhaust fan disclosed by cn201922410321.x comprises a fan main body, the top of the fan main body is fixedly connected with a shell, a double-end motor is fixedly arranged inside the shell, a first output end of the double-end motor is fixedly connected with a first rotating shaft, one end of the first rotating shaft is fixedly connected with a heat radiation fan, a second output end of the double-end motor is fixedly connected with a second rotating shaft, one end of the second rotating shaft penetrating through the fan main body is fixedly connected with a first helical gear, and one side of the first helical gear is meshed with one side of a second helical gear, the shell, the first heat radiation groove, the second heat radiation groove and the heat radiation fan are mutually matched, so that not only a large amount of high-temperature smoke is prevented from directly passing through the motor, but also the heat radiation of the motor is accelerated, the second rotating shaft, the first helical gear, the second helical gear, the third rotating shaft and the impeller are matched with each other, and the whole impeller is in hard connection, so that the impeller can work in a high-temperature environment for a long time, and the service life of the impeller is prolonged. However, the occupied area is large, the high-temperature smoke exhaust fan cannot be installed on a building with a limited space environment, and the first helical gear and the second helical gear are affected by high temperature and are prone to failure under long-term operation, so that long-term operation of the high-temperature smoke exhaust fan at high temperature cannot be realized.
In summary, in order to make the heat dissipation effect of the high-temperature smoke exhaust fan better, the area of the high-temperature smoke exhaust fan is increased, or a gear failure occurs, and the long-time operation of the high-temperature smoke exhaust fan at high temperature cannot be realized.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a high-temperature smoke exhaust fan, which solves the problem that the existing high-temperature smoke exhaust fan cannot operate for a long time at high temperature.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a high-temperature smoke exhaust fan comprises an air duct with an air inlet and an air outlet, an impeller arranged in the air duct and positioned at one end of the air inlet, a rotating shaft arranged on one side of the air outlet and connected with the impeller, a motor connected with the rotating shaft, and a fixing piece for fixing the motor on the air duct, wherein the air duct comprises a first air duct, a second air duct and a third air duct which are sequentially arranged from the air inlet to the air outlet;
the first air duct and the third air duct are provided with connecting pieces, the connecting pieces are arranged on the outer surfaces of the first air duct and the third air duct at equal intervals, and the high ends of the connecting pieces are arranged at the two ends of the air ducts;
the second air duct is made of a heat dissipation material.
Further, the second air duct comprises an inner air duct, an outer air duct arranged outside the inner air duct, a plurality of first radiating fins arranged between the inner air duct and the outer air duct, and a plurality of second radiating fins arranged on the outer surface of the outer air duct.
Further, the first radiating fins are arranged between the inner air duct and the outer air duct at equal intervals;
the second cooling fins are arranged on the outer surface of the outer air duct at equal intervals, and the second cooling fins are arranged on the corresponding outer air duct between every two first cooling fins.
Further, the second cooling fin extends to the position between the inner air duct and the outer air duct.
Further, the mounting includes the polylith fixed plate, and each fixed plate is including being used for fixing the U template on the dryer with the motor, sets up the splint of fixing the motor on the dryer at the opening side of U template, and sets up the heating panel on U template and splint.
Further, mounting holes are formed in the U-shaped plate and the clamping plate, through holes corresponding to the mounting holes are formed in the heat dissipation plate, and the heat dissipation plate is matched with the mounting holes and the through holes through bolts and nuts and is fixed on the U-shaped plate and the clamping plate;
or the heat dissipation plate is welded on the U-shaped plate and the clamping plate.
Further, the one end setting of U template is on first dryer, and the other end setting is on the motor, and the one end setting of splint is on the third dryer, and the other end setting is on the motor.
Further, the second air duct, the first cooling fin, the second cooling fin and the cooling plate are made of aluminum alloy, copper or copper-aluminum composite materials.
Compared with the prior art, the utility model has the advantages that:
the air duct is divided into three sections, the middle section (the second air duct) is made of a material easy to dissipate heat, so that heat dissipation inside the air duct is facilitated, the temperature of a motor is reduced, the running time of the high-temperature smoke exhaust fan at high temperature can be prolonged under the condition that the area of equipment is not increased, and the connecting piece is arranged to prevent the second air duct from being deformed easily due to transportation or installation of the high-temperature smoke exhaust fan under the condition that the second air duct is made of a material with low strength;
the inner air cylinder can quickly absorb heat, the heat is quickly transmitted to the outer air cylinder through the first radiating fins to be radiated outwards, and meanwhile, the heat on the outer air cylinder is absorbed through the second radiating fins to be radiated outwards, so that the radiating speed is high, and the radiating effect is good;
the first radiating fins and the second radiating fins are arranged at equal intervals, and the second radiating fins are arranged on the corresponding outer air duct between every two first radiating fins, so that the internal heat can be rapidly and uniformly transferred, and the problem of overhigh local temperature in the air duct is solved;
the second radiating fins extend to the space between the inner air duct and the outer air duct, so that the heat transfer among the inner air duct, the inner air duct and the outer air duct is further accelerated, and the heat in the air duct is reduced;
the fixing plate is arranged in a mode that the motor is firmly fixed on the air duct, heat in the middle of the air duct and around the motor can be quickly transferred to the inner air duct through the radiating fins, and heat is transferred to the outside through the inner air duct;
the radiating fins can be detachably or fixedly arranged on the U-shaped plates and the clamping plates according to actual requirements, are arranged in a detachable mode, and can be replaced by radiating plates made of different radiating materials according to application scenes;
the U-shaped plate is arranged on the first air duct, and the clamping plate is arranged on the third air duct, so that the motor can be firmly fixed, the situation that the motor is arranged on the second air duct which is easy to deform, the motor mounting position is unstable, the motor drives the impeller to incline or other faults occur easily, and meanwhile, the heat dissipation plate can be conveniently replaced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic structural diagram of a second air duct according to the present invention;
FIG. 4 is a schematic structural view of an air duct according to the present invention;
FIG. 5 is a schematic structural view of a fixing plate according to the present invention;
in the figure: the air cooling device comprises a fan drum 1, an impeller 2, a rotating shaft 3, a motor 4, a fixing plate 5, a first fan drum 6, a second fan drum 7, a third fan drum 8, a connecting piece 9, an inner fan drum 10, an outer fan drum 11, a first cooling fin 12, a second cooling fin 13, a U-shaped plate 14, a clamping plate 15 and a cooling plate 16.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the appearances of the terms "first," "second," "third," and the like, if any, are only used to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not require that the components be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It should be noted that the features of the embodiments of the present invention may be combined with each other without conflict.
Example 1
The problem that the existing high-temperature smoke exhaust fan cannot operate for a long time at high temperature is solved. As shown in fig. 1, 2 and 4, a high temperature smoke exhaust fan is provided, which includes a wind barrel 1 (a mounting seat on the wind barrel is not shown in the figure) with a wind inlet and a wind outlet, an impeller 2 arranged in the wind barrel 1 and positioned at one end of the wind inlet, a rotating shaft 3 arranged at one side of the wind outlet and connected with the impeller 2, a motor 4 connected with the rotating shaft 3, and a fixing member for fixing the motor 4 to the wind barrel 1, wherein the wind barrel 1 includes a first wind barrel 6, a second wind barrel 7 and a third wind barrel 8 which are arranged in sequence from the wind inlet to the wind outlet; the first air duct 6 and the third air duct 8 are provided with connecting pieces 9, the connecting pieces are arranged on the outer surfaces of the first air duct 6 and the third air duct 8 at equal intervals, and the high ends of the connecting pieces 9 are arranged at the bottom of the two ends of the air duct 1 (for the purpose of reducing the occupied space when mounting); the second air duct 7 is made of a heat dissipation material.
In practice, when installing high temperature smoke exhaust fan and ventilating or discharging fume in the building, drive pivot 3 and impeller 2 through starter motor 4 and transport, thereby play the effect of ventilating or discharging fume, at the ventilation or in-process of discharging fume, the motor receives reasons such as operating duration and ambient temperature, can make the motor generate heat, then the inside heat dissipation of dryer is accelerated to the easy heat dissipation material through the second dryer this moment, reduce motor temperature, under the condition of guaranteeing not increase equipment area, can prolong high temperature smoke exhaust fan operating duration under high temperature, it is in order to prevent under the condition of the material that the second dryer is not high in intensity to set up the connecting piece, transportation or installation high temperature smoke exhaust fan, influence the problem that the second dryer warp easily.
Example 2
On the basis of embodiment 1, as shown in fig. 3, the second air duct 7 includes an inner air duct 10, an outer air duct 11 arranged outside the inner air duct 10, a plurality of first cooling fins 12 arranged between the inner air duct 10 and the outer air duct 11, and a plurality of second cooling fins 13 arranged on the outer surface of the outer air duct 11, after the inner air duct 10 absorbs heat quickly, the heat is quickly transmitted to the outer air duct 11 for external cooling through the first cooling fins 12, and the heat on the outer air duct 11 is absorbed through the second cooling fins 13 for external cooling, so that the cooling speed is quick, the cooling effect is good, and certainly, the situation that the second air duct 7 can adopt other structures is not excluded.
Example 3
On the basis of the embodiment 2, as shown in fig. 3, the first cooling fins 12 are arranged between the inner wind barrel 10 and the outer wind barrel 11 at equal intervals; the second cooling fins 13 are arranged on the outer surface of the outer air duct 11 at equal intervals, the second cooling fins 13 are arranged on the outer air duct 11 corresponding between every two first cooling fins 12, the first cooling fins and the second cooling fins are arranged at equal intervals, and the second cooling fins are arranged on the outer air duct corresponding between every two first cooling fins, so that the quick and uniform transmission of internal heat is facilitated, and the problem of overhigh local temperature in the air duct is solved.
Example 4
On the basis of embodiment 3, as shown in fig. 3, the second heat dissipation fins 13 extend to between the inner air duct 10 and the outer air duct 11, and extend to between the inner air duct and the outer air duct, so as to accelerate heat transfer among the inner air duct, and the outer air duct, and thus reduce heat in the air duct.
Example 5
On the basis of embodiment 4, as shown in fig. 5, the fixing member includes a plurality of fixing plates 5, each fixing plate 5 includes a U-shaped plate 14 for fixing the motor 4 to the air duct 1, a clamping plate 15 provided on an opening side of the U-shaped plate 14 for fixing the motor 4 to the air duct 1, and a heat radiating plate 16 provided on the U-shaped plate 14 and the clamping plate 15. The fixing plate in this embodiment not only firmly fixes the motor on the dryer, but also can rapidly transfer the heat in the middle of the dryer and around the motor to the inner dryer through the radiating fins, and transfer the heat outwards through the inner dryer.
Example 6
On the basis of embodiment 5, mounting holes are formed in the U-shaped plate 14 and the clamping plate 15, through holes corresponding to the mounting holes are formed in the heat dissipation plate 16, and the heat dissipation plate 16 is fixed on the U-shaped plate 14 and the clamping plate 15 through bolts and nuts in a matching manner with the mounting holes and the through holes; or heat sink plates 16 are welded to U-shaped plate 14 and clamping plate 15 (as shown in figure 5).
The fin can be according to the detachable or fixed setting of actual demand on U template and splint, adopts the mode setting of dismantlement formula, can be according to the application scene, changes the heating panel of different heat dissipation materials.
Example 7
On the basis of embodiment 6, one end of the U-shaped plate 14 is arranged on the first air duct 6, the other end of the U-shaped plate is arranged on the motor 4, one end of the clamping plate 15 is arranged on the third air duct 8, and the other end of the clamping plate is arranged on the motor 4). The U-shaped board sets up on first dryer, and splint setting is on the third dryer, is for the fixed motor that can be firm, prevents to set up on yielding second dryer, and motor mounted position is unstable, arouses easily that the motor drives impeller slope or other troubles etc. appear, the change of the heating panel of still being convenient for simultaneously.
In summary, the second air duct 7, the first heat sink 12, the second heat sink 13 and the heat sink 16 are made of aluminum alloy, copper or copper-aluminum composite material, and of course, other materials with good heat dissipation effect can be used.
Claims (8)
1. The utility model provides a high temperature smoke exhaust fan, is including taking dryer (1) in air inlet and air outlet, sets up in dryer (1), is located impeller (2) of air intake one end, sets up in air outlet one side, pivot (3) that are connected with impeller (2), motor (4) that are connected with pivot (3), fixes mounting, its characterized in that on dryer (1) with motor (4): the air duct (1) comprises a first air duct (6), a second air duct (7) and a third air duct (8) which are arranged in sequence from an air inlet to an air outlet;
the first air duct (6) and the third air duct (8) are provided with connecting pieces (9) which are arranged on the outer surfaces of the first air duct (6) and the third air duct (8) at equal intervals, and the high ends of the connecting pieces (9) are arranged at the two ends of the air duct (1);
the second air duct (7) is made of a heat dissipation material.
2. The high-temperature smoke exhaust fan according to claim 1, characterized in that: the second air duct (7) comprises an inner air duct (10), an outer air duct (11) arranged outside the inner air duct (10), a plurality of first radiating fins (12) arranged between the inner air duct (10) and the outer air duct (11), and a plurality of second radiating fins (13) arranged on the outer surface of the outer air duct (11).
3. The high-temperature smoke exhaust fan according to claim 2, characterized in that: the first radiating fins (12) are arranged between the inner air duct (10) and the outer air duct (11) at equal intervals;
the second radiating fins (13) are arranged on the outer surface of the outer air duct (11) at equal intervals, and the second radiating fins (13) are arranged on the outer air duct (11) corresponding to the space between every two first radiating fins (12).
4. A high temperature smoke exhaust fan according to claim 2 or 3 wherein: the second cooling fins (13) extend to the position between the inner air duct (10) and the outer air duct (11).
5. The high-temperature smoke exhaust fan according to claim 4, characterized in that: the mounting includes polylith fixed plate (5), and each fixed plate (5) are including being used for fixing U template (14) on dryer (1) with motor (4), splint (15) on dryer (1) are fixed motor (4) to the opening side that sets up at U template (14), and set up heating panel (16) on U template (14) and splint (15).
6. The high temperature smoke exhaust fan of claim 5, wherein: mounting holes are formed in the U-shaped plate (14) and the clamping plate (15), through holes corresponding to the mounting holes are formed in the heat dissipation plate (16), and the heat dissipation plate (16) is matched with the mounting holes and the through holes through bolts and nuts and is fixed on the U-shaped plate (14) and the clamping plate (15);
or the heat dissipation plate (16) is welded on the U-shaped plate (14) and the clamping plate (15).
7. The high-temperature smoke exhaust fan according to claim 6, characterized in that: one end of the U-shaped plate (14) is arranged on the first air duct (6), the other end of the U-shaped plate is arranged on the motor (4), one end of the clamping plate (15) is arranged on the third air duct (8), and the other end of the clamping plate is arranged on the motor (4).
8. The high temperature smoke exhaust fan of claim 7, wherein: the second air duct (7), the first radiating fins (12), the second radiating fins (13) and the radiating plate (16) are made of aluminum alloy, copper or copper-aluminum composite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122376008.6U CN216199100U (en) | 2021-09-29 | 2021-09-29 | High-temperature smoke exhaust fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122376008.6U CN216199100U (en) | 2021-09-29 | 2021-09-29 | High-temperature smoke exhaust fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216199100U true CN216199100U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122376008.6U Active CN216199100U (en) | 2021-09-29 | 2021-09-29 | High-temperature smoke exhaust fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216199100U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116123141A (en) * | 2022-12-22 | 2023-05-16 | 绍兴上虞风机销售有限公司 | Heat abstractor that fire control smoke exhaust fan was used |
-
2021
- 2021-09-29 CN CN202122376008.6U patent/CN216199100U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116123141A (en) * | 2022-12-22 | 2023-05-16 | 绍兴上虞风机销售有限公司 | Heat abstractor that fire control smoke exhaust fan was used |
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